But if improving their hunting luck was the chief motivation for the paintings, it is difficult to explain why only a few show signs of having been speared.
但是，如果增强他们的狩猎运气是这些画的主要动机，那么就很难解释为什么只有少量画作有被长矛刺过的迹象。
Astronomers used to ask why only Saturn has rings.
天文学家们过去一直感到奇怪，为什么只有土星有光环。
The question is why only a small fraction of supernovae produce GRBs.
问题是，为何只有一小部份的超新星会产生GRB ？
It's a high bar, which is why only a fraction of movies ever made are available on DVD.
这些条件形成了一个很高的门槛，这就是为什么只有很少一部分的电影制成了DVD。
The officer's later met and asked: "by the people of foot down, why only your long-term misery?"
那差官见了和氏以后问道：“天下受砍脚之刑的人很多，为什么唯独你长期悲痛不已呢？”
An ordinary friends hate you in his sleep after a hit. A true friend would ask why only now telling.
一个普通的朋友讨厌你在他睡了后打来。一个真正的朋友会问为什么现在才打来。
Why only these regions on the Sunda Plate where the sinking predicted by the Zetas is picking up speed?
为什么巽他板块上只有齐塔人预测下沉的这些地区正在加速？
That's why only two days ago I could be in China and today be sitting in Albuquerque recording my diary.
所以，两天前我还在中国，今天我已经坐在阿布·奎基在录我的日记了。
Further research from Microsoft also reveals why only some organizations insist on very complex passwords.
来自微软的进一步研究同时披露只有很少组织坚持使用非常复杂的密码。
This is why only 10 percent of people in the world are entrepreneurs who control 90 percent of the workforce.
这就是为什么全世界只有10%的人成为控制90%的劳动力的企业家。
This scenario may explain why only 10% of active galaxies have radio jets, and how active galaxies evolve over time.
这种假设或许可以解释为什么活跃星系中只有10%存在喷流，以及它们如何持续演变。
There may be Mr. Ask, why only put forward "drastically cuts" rather than the abolition of all military forces?
可能有先生要问了，那为什么只提出“大幅度裁减”而非全部取消军事武装力量呢？
Do not know why only with friends, will produce a kind of gives me the freedom to a sense of excitement pranced .
不知道为什么只有跟朋友一起，才会产生一种使我又蹦又跳的兴奋的自由感。
This may explain why only a percentage of patients benefit from a treatment even though they all have the same cancer type.
这可以解释为什么同一类型的肿瘤中只有部分病人能够受益于某种治疗。
These companies are all vying for your business; here is why only those who incentivize their offer with rewards should be considered.
这些公司都希望为您的企业；这里就是为什么只有那些谁促使其提供的奖励应予以考虑。
Are these crab? Why only several?don't blame me photograph them later, they see fisherman picking up them just now, and are anxious to taste .
这不是螃蟹吗？怎么就这几只？不要怪我拍的时机晚，是她们看到渔民刚打捞上来，着急品鲜哪！
It is unknown why only a minority of circulating tumor cells trapped in lung capillaries form metastases and involvement of immune cells remains uncertain.
为什么只有少量循环肿瘤细胞进入肺毛细血管形成转移还不清楚，其中涉及的免疫细胞也不确定。
Have a hearty delicious breakfast that fills you up and makes you feel strong, why only eat well on the weekends? Community: When Emotional Eating Is a Good thing?
吃一顿丰盛的早餐填满你的胃，让你感觉精力旺盛，何必只在周末吃大餐？
This is, by any standards, and found that AIDS virus are sufficient to award-winning contribution to the breakthrough, why only now discoverer won the Nobel Prize?
无论以何种标准来看，发现艾滋病病毒都是足以获奖的突破性贡献，为何时至今日发现者才摘得诺贝尔奖？
For instance, it's still not known why only some chiton species have eyes, or how the creatures are able to use the same material to make both their eyes and their shells.
例如，为什么只有一些特定种类的石鳖才有眼睛，还有它们是如何用同一种物质构建眼睛和甲壳的。
Text also explain climatically the reason why only these are lots of thatching in Yunnan zone based on the aquiferous capability of the couch grass and stability of stake.
本文还根据茅草的蓄水能力和木柱子的稳定性，解释为什么云南地区在过去，会有如此众多的茅草屋存在的气候方面原因。
In short, it is the score and not the libretto that keeps the work alive and fresh; and this is why only musical critics should be allowed to meddle with Shakespeare - especially early Shakespeare.
简而言之，使一件作品鲜活起来的是旋律而不是歌词，这就是为什么应该仅容许音乐评论家们去干涉莎士比亚，尤其是早期的莎士比亚。
In short, it is the score and not the libretto that keeps the work alive and fresh; and this is why only musical critics should be allowed to meddle with Shakespeare - especially early Shakespeare.
简而言之，使一件作品鲜活起来的是旋律而不是歌词，这就是为什么应该仅容许音乐评论家们去干涉莎士比亚，尤其是早期的莎士比亚。
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